Wristwatch



FIG. 1 is a perspective view of a wristwatch showing a first embodiment of my new design;

FIG. 2 is a plan view thereof;

FIG. 3 is a bottom end view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a front elevation thereof;

FIG. 7 is a rear elevation thereof;

FIG. 8 is a perspective view of a wristwatch showing a second embodiment of my new design;

FIG. 9 is a plan view thereof;

FIG. 10 is a bottom end view thereof;

FIG. 11 is a left side view thereof;

FIG. 12 is a right side view thereof;

FIG. 13 is a front elevation thereof; and,

FIG. 14 is a rear elevation thereof. 

The ornamental design for a wristwatch, as shown and described. 